Spectroscopy — Photochromism and photomagnetism in three cyano-bridged 3d-4f heterobimetallic viologen frameworks

4 measurement groups · 14 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

CoDy after UV-vis irradiation · Single Crystal

X-band ESR before and after irradiation at room temperature

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CoDy ESR g value after irradiation	g = 2.0026	—	—	Text Exact Reported	4962 · Photochromic properties · Fig. 3c
CoEu ESR g value after irradiation	g = 2.0057	—	—	Text Exact Reported	4962 · Photochromic properties · Fig. 3c
FeDy ESR g value after irradiation	g = 2.0034	—	—	Text Exact Reported	4962-4963 · Photochromic properties · Fig. 3c

FeDy after UV-vis irradiation · Single Crystal

KBr, room-temperature spectra after light irradiation

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
FeDy Fe(II) cyanide stretching band after irradiation	2037 cm-1 band increased clearly in intensity	—	—	Text Exact Reported	4962 · Photochromic properties · Fig. 3b
FeDy Fe(III) cyanide stretching band after irradiation	2117 cm-1 band disappeared	—	—	Text Exact Reported	4962 · Photochromic properties · Fig. 3b

CoEu as-synthesised crystals · Single Crystal

room temperature; excitation at 395 nm; xenon irradiation for 0, 1 and 3 min

Temperature: room temperature
Atmosphere: ambient
Geometry: Edinburgh Instruments FLS 980; 300 W xenon lamp
Context: pristine framework and irradiated/restored states
Measurement source: 4963 · Photoluminescence properties · Fig. 4; Fig. S5-S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CoEu Eu(III) emission peak wavelengths	580, 593, 614, 650 and 700 nm	—	—	Text Exact Reported	4963 · Photoluminescence properties · Fig. 4
CoEu luminescence decay lifetime	125.00 microsecond	—	—	Text Exact Reported	4963 · Photoluminescence properties · Fig. S5
CoEu PL intensity after 3 min irradiation	about 19.5% of the original value after illumination for 3 min	0.195 fraction of original intensity	about	Text Approximate	4963 · Photoluminescence properties · Fig. 4

CoDy after UV-vis irradiation · Single Crystal

time-dependent irradiation with 300 W xenon lamp at room temperature

Temperature: room temperature
Atmosphere: air
Geometry: Varian Cary 500 integrating sphere; xenon lamp ca. 2.4 W cm-2 at 15 cm
Context: irradiated pristine frameworks
Measurement source: 4961-4962 · Photochromic properties · Fig. 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CoDy/CoEu after-irradiation absorption bands	new bands centred at around 400 and 600 nm	—	around	Text Approximate	4961 · Photochromic properties · Fig. 3a
CoDy carboxylate O to pyridinium N short contact	2.769 A	—	—	Text Exact Reported	4963 · Photochromic properties · Fig. S2
CoEu carboxylate O to pyridinium N short contact	2.762 A	—	—	Text Exact Reported	4963 · Photochromic properties · Fig. S2
FeDy carboxylate O to pyridinium N short contactMarked as a best value within this paper	2.752 A	—	—	Text Exact Reported	4963 · Photochromic properties · Fig. S2
Eye-visible colour-change onset time	within 3 min	—	—	Text Approximate	4961 · Photochromic properties · Fig. 3a
Photochromic saturation time	tended to be saturated after illumination for 10 min	—	—	Text Approximate	4962 · Photochromic properties · Fig. 3a